mocormice



2 Sheets-Sheet 1.

r- (No Model.)

J.R. MCCORMIGK..

LOGOMOTIVBHEAD-LIGHT.

Patented Mar. 3l

ggf/age ///a (No Model.) 2 sheets-sheet 2.

J. B.. MGGORMIGK. y LocoMoTIVB HEAD LIGHT.

N0. 314,700. f' Patented Mar. 31, 1885.

WITNESSES i' NVEI\VIURv /R me N. PETERS. Phuwuuwgmplmr. wnsnmgmn. D. c.

JOHN ROBERT MCOORMIOK, OE AUSTIN, TEXAS, ASSIGNOR OE ONE-HALE TOFREDERICK E. RUEEINI', OE SAME APLAGE.

LOCOWIOTIVE HEAD-,Lioran SPECIFICATION forming part of Letters PatentNo. 314,700, dated March 31, 1885.

Application filed April 9, 1884. (No model.) I

invention, such as will enable others skilled in Y the art to which itappertains to make and use Io the same. My invention relates to animprovement in locomotive head-lights.

Head-lights as now commonly constructed are stationary or rigidlysecured to the locomotive, thereby throwing the lightn but onedirection-in a direct straight line in front of the locomotive and in aline with its longitudinal aXis, allowing no variation to either side.This construction and arrangement have been 2o found objectionable inthat it is impossible to properly light up a curve before running uponit or while traveling over it, or to light up the straight track aheadwhile traveling around thecurve.

The object of my invention is to provide a head-light for locomotivesthat shall be movable either automatically by means of levers or gearingconnected with the front truck under the locomotive, or adapted to beoperated by hand by means of levers or gearing within easy reach of theengineer.

Vith these ends in view my invention consists in the combination, with ahead-light of any suitable construction, of a movable plate to which thehead-light is secured, a fixed plate, and suitable levers or gearingconnecting said movable plate with the front truck of the locomotive,the moving of which latter in accordance with the curves over which it4o travels operating to move the plate supporting the light, whereby thelight is`automatically thrown in the direction required.'

My invention further consists in the combination, with a head-light, ofa movable plate supporting the Same, and a set of levers or gearingSecured to the movable plate and eX- tending to or within the cab withineasy reach of the engineer, and by which the light may be turned in anydirection.

My invention further consists in certain novel features of constructionand combinations of parts, as willl be hereinafter fully de-V scribed,and pointed out in the claims.

In the accompanying drawings, Figure 1 is a sectional view of myimprovement, showing the revolvingl plate in position on` the stationaryplate. Fig. 2 is a plan view of the lower face of the upper revolvingplate. Fig. Sis a plan view ot' the upper face of the lower stationaryplate. Fig. 4 is a plan view of thele 6o ver and pin which operate therevolving plate. Fig. 5 is a top plan view showing the levers attachedto the center plate of the truck and connected with the shaft conveyingthe motion to the revolving plate. Fig. 6 is a plan view 65 showing therevolving plate connected by rods to the levers within the cab tooperate the light by hand. Figs. 7 and 8 show a modification.

A represents the stationary plate,bolted to a plate, a, which latter isfastened to the brack- 7o l ets b, secured to the boiler c.

If desired, instead of bolting the plate Ato the plate a, it may berigidly secured to the brackets b, thus doing away with the platea. Thesaid plate A is formed with a central hub, 75 C, centrally provided witha hole or perforation, D, for the reception of the pin E, attached to orformed integral with the upper revolving plate, F, which latter is alsoprovided with a hub, L, on its under face, and bearing on the 8o hub Cof the plate A.

Near each corner of the plate A, and on its upper face, are formed theup ward] y-extending lugs or tracks G, the same being curved as shown inFig. 3 of the drawings.' The plate F 8 5 has also formed on its underface, and near the corners thereof, the downwardly-projecting lugs H,adapted to bear and move on the trucks G and support the four corners ofthe upper revolving plate, F.

The headlight j', constructed ol' any desired pattern and dimensions, isrigidly secured to the revolving plate F by means of bolts pass ingthrough the blocks g, and through the holes M in the plate F, the latterbeing provided with a slot, N, in which moves the pin O, adj ustablysecured within the slot P, formed in the crank R. The said crank isprovided at one end with a hole, S, through which passes a set-screw adjustably securing said crank to .Ioo the shaft K, adaptedto transmit themotion from the front truck of the locomotive, as will be hereinafterdescribed. The shaft K passes through the hole I in the plate A to andthrough the platform h, and is secured to the crank T, the latter beingprovided with an elongated slot, U, in which is adj ustably secured thepin V, formed on the end of the link W, which boiler, moves thebell-crank Waccordingly,

which, through the intervention of the crank Tand the vertical shaft Kand crank R, moves the plate F, supporting the head-light, in a similardirection to the front truck, thereby operating to throw the rays oflight in the direction in which-the truck is traveling, and as the pinsE and V are made adjustable theleverage can be sofincreased as to throwthe light in and within the direction or circle of a curve for a greatdistance ahead of the locomotive.

Fig. 6 of the drawings shows my improved devices whereby the light maybe operated by hand.

When it is desired to employ this device, the connection between thetruck and the lamp, for automatically operating the latter, is removedor disconnected, and the plate F, on which the lamp is seated, isprovided with the pieceslc, to the outer ends of which are looselysecured the rearwardly-extending connecting-rods m, which pass throughopenings formed in the front wall, n, of the cab.

To the inner side of wall n of the cab is rig` idly secured thebrackets, to which is movably secured the longitudinally-sliding rod orlever r, provided at each end with a handle, fu. To the inner side ofthe wall n are also secured the bearings or brackets p, to which areloosely fastenedA the bell-crank levers o, one end of each of which isrigidly secured to the rod r, the outer end being fastened to the innerends of the rods m, the lateral arms of said bellcranks extending inopposite directions. The bracket s, if desired, may be provided with aset-screw, o, adapted to impinge on the rod r and lock the latter whenit is desired to secure the headlight in a fixed position. By pullingeither handle u. on the bar r the latter will slide in the bracket s,and by means of the bell-cranks will move the rods m in oppositedirections, and thereby move the headlight supported on the table F anddirect the rays to any point desired.

Figs. 7 and 8 show a modification of the devices for moving thehead-light, in which A represents the lower face of the lower stationaryplate, and F the upper revolving plate, centrally provided with adownwardly-projecting pin, w. f

To the lower end of the pin w, below the plate A, is secured themutilated pinion A', with which meshes the segmental gear B', secured tothe shaft K below the plate A. It will be seen that when the shaft K isturned it will, through the intervention of the said gear and pinion,transmit its motion to the plate F, and 7o thus turn the light securedthereon.

I would have it understood that I do not limit the application of myinvention to locomotives, as it might be used with good results oncarriages, wagons, and other vehicles.

I am aware that it is not new to connect a locomotive head-light to thefront truck by means of a rod having its opposite ends bent at rightangles to the main portion thereof, one of said bent ends passingthrough an eye secured to the head-light,and the other through 'an eyesecured to the truck, andvhence I make no broad claim thereto. In thisdevice the bent ends are liable to become wedged in the eyes, and thereis no possible way of adjusting the parts to permit the lamp to turnmore or less without disarranging the entire apparatus.

' In my device the parts are so connected as to insure a positivemovement of the lamp without danger of binding, and the parts can be adjusted so as to turn the lamp more or less,

as necessity demands. Y

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination, with a head-light pivotally secured to a locomotive,and a bar rigidly secured to the movable truck, of a vertical shaft, ahorizontal arm or lever rigidly secured to said shaft and looselyconnected with the lamp, and links or arms connecting the lower end ofthe vshaft with the bar on the truck, substantially as set forth.

2. The combination, with a head-light pivotally secured to a locomotive,and a bar rigidly secured to the forward truck of said locomotive, of avertical shaft, a horizontal arm or lever secured to said shaft, a lugor pin connecting the horizontal armor lever and the lamp, and links orarms connecting the lower end of said shaft with the bar on the truck.

3. The combination, with a head-light pivotally secured to a locomotive,and a vertical shaft for turning said head-light, of a bar secured tothe front truck of the locomotive, and

IOO

IIO

adjustable links or arms connecting the bar ed with the front truck ofthe'locomotive,'

whereby the light may be turned at any angle with the locomotive,substantially as set forth.

5. The combination, with a revolving plate supporting a head-light, of alower supportingplate, a lever adj ustably secured to the revolvingplate, a vertical rod or shaft secured to said lever, a bar secured tothe front truck of the locomotive, a link, and a lever adjustablyconnecting the bar with said shaft, substantially as set forth.

IZO

6. The combination, with e head-light rigupright shaft adjustablyconnected at its lower idly secured to a plate, the letter being pivendto the forward truck of the locomotive, oted to the locomotive andprovided with an and adjustebly connected at its upper end to oblongslot, of a shaft indirectly connected the pivoted plate. 15 l 5 with thefront truck of the locomotive, an arm In testimony whereof I have signedthis secured to said shaft, and alug or pin secured specieation in thepresence Of two subscribtO said arm and resting and moving in the sloting witnesses. in seid plate. JOHN ROBERT MOCORMICK.

7. The combination, with a stationary plete, i Witnesses: IO a platepivoted to seid stationary plete, and e LEOPOLD F. ENGLER,

headlight secured to said pivoted plate, Of the JOHN S. STROUD.

